National Dental Examining Board of Canada (NDEB) Practice Exam 2025 - Free NDEB Practice Questions and Study Guide

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If a patient loses a first molar before age 11, does the overbite increase?

Yes

No

If a patient loses a first molar before age 11, the overbite would not increase. This is because the loss of a first molar does not directly impact the overbite. The overbite is determined by the natural growth and development of the teeth and jaws, and the loss of a first molar at this age would not significantly alter that natural process.

Option A Yes - this option is incorrect because, as mentioned, the loss of a first molar at this age does not lead to an increase in overbite.

Option C: Only if the second molar has not erupted - this option is also incorrect because, although the second molar plays a role in overbite, its eruption alone would not cause a significant increase in the overbite.

Option D: Only in cases of severe crowding - this option is incorrect because crowding may contribute to changes in overbite

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Only if the second molar has not erupted

Only in cases of severe crowding

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